.btn,
.navbar .navbar-nav > li > a.btn {
  border: none;
  border-radius: $border-radius-base;
  position: relative;
  padding: 12px 30px;
  margin: 10px 1px;

  font-size: $mdb-btn-font-size-base;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0;

  will-change: box-shadow, transform;
  transition: box-shadow 0.2s $mdb-animation-curve-fast-out-linear-in,
  background-color 0.2s $mdb-animation-curve-default;

  &::-moz-focus-inner {
    border: 0;
  }

  &,
  &.btn-default {
    @include btn-styles($gray-light);
  }

  &.btn-primary {
    @include btn-styles($brand-primary);
  }
  &.btn-info {
    @include btn-styles($brand-info);
  }
  &.btn-success {
    @include btn-styles($brand-success);
  }
  &.btn-warning {
    @include btn-styles($brand-warning);
  }
  &.btn-danger {
    @include btn-styles($brand-danger);
  }
  &.btn-upgrade {
    @include btn-styles($brand-rose);
  }
  &.btn-white {
    &,
    &:focus,
    &:hover {
      background-color: $white-color;
      color: $gray-light;
    }
    &.btn-simple {
      color: #FFFFFF;
      background: transparent;
      box-shadow: none;
    }
  }

  &:focus,
  &:active,
  &:active:focus {
    outline: 0;
  }

  &.btn-round {
    border-radius: $border-radius-extreme;
  }

  &:not(.btn-just-icon):not(.btn-fab) {
    .fa {
      font-size: 18px;
      margin-top: -2px;
      position: relative;
      top: 2px;
    }
  }

  &.btn-fab {
    // see above for color variations
    border-radius: 50%;
    font-size: $mdb-btn-fab-font-size;
    height: $mdb-btn-fab-size;
    margin: auto;
    min-width: $mdb-btn-fab-size;
    width: $mdb-btn-fab-size;
    padding: 0;
    overflow: hidden;
    position: relative;
    line-height: normal;

    .ripple-container {
      border-radius: 50%;
    }

    &.btn-fab-mini,
    .btn-group-sm & {
      height: $mdb-btn-fab-size-mini;
      min-width: $mdb-btn-fab-size-mini;
      width: $mdb-btn-fab-size-mini;

      &.material-icons {
        top: ($mdb-btn-icon-size-mini - $mdb-btn-fab-font-size) / 2;
        left: ($mdb-btn-icon-size-mini - $mdb-btn-fab-font-size) / 2;
      }

      .material-icons {
        font-size: $mdb-btn-icon-size-mini;
      }
    }

    i.material-icons {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-($mdb-btn-fab-font-size / 2), -($mdb-btn-fab-font-size / 2));
      line-height: $mdb-btn-fab-font-size;
      width: $mdb-btn-fab-font-size;
      font-size: $mdb-btn-fab-font-size;
    }
  }

  // Size variations
  &.btn-lg,
  .btn-group-lg & {
    font-size: $mdb-btn-font-size-lg;
    padding: 18px 36px;
  }
  &.btn-sm,
  .btn-group-sm & {
    padding: 5px 20px;
    font-size: $mdb-btn-font-size-sm;
  }
  &.btn-xs,
  .btn-group-xs & {
    padding: 4px 15px;
    font-size: $mdb-btn-font-size-xs;
  }

  &.btn-just-icon {
    font-size: 18px;
    padding: 10px 10px;
    line-height: 1em;

    i {
      width: 20px;
    }
    &.btn-lg {
      font-size: 22px;
      padding: 13px 18px;
    }
  }
}

.btn {
  // Align icons inside buttons with text
  .material-icons {
    vertical-align: middle;
    font-size: $mdb-btn-icon-size-mini;
    top: -1px;
    position: relative;
  }

}

.navbar .navbar-nav > li > {
  a.btn {
    margin-top: 2px;
    margin-bottom: 2px;

    &.btn-fab {
      margin: 5px 2px;
    }
  }
  a:not(.btn) {
    .material-icons {
      margin-top: -3px;
      top: 0px;
      position: relative;
      margin-right: 3px;
    }
  }
  .profile-photo {
    margin: 5px 2px;
  }
}

.navbar-default:not(.navbar-transparent) .navbar-nav > li > {
  a.btn {
    &.btn-white.btn-simple {
      color: $gray;
    }
  }
}

// btn-group variations
.btn-group,
.btn-group-vertical {

  position: relative;
  //border-radius: 2px;
  margin: 10px 1px;

  &.open {
    .dropdown-toggle {
      //box-shadow: none;
    }

    & > .dropdown-toggle.btn {
      @include variations(unquote(".btn"), unquote(""), background-color, $mdb-btn-background-color);
    }
  }

  .dropdown-menu {
    border-radius: 0 0 $border-radius-base $border-radius-base;
  }

  &.btn-group-raised {
    @include shadow-2dp();
  }

  & .btn + .btn,
  .btn,
  .btn:active,
  .btn-group {
    margin: 0;
  }
}

.close {
  font-size: inherit;
  color: $white-color;
  opacity: .9;
  text-shadow: none;

  &:hover,
  &:focus {
    opacity: 1;
    color: $white-color;
  }

  i {
    font-size: 20px;
  }
}
